DB33 Certain noninfectious colitis or proctitis

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2026-01

Noninfectious colitis and proctitis is inflammation or tissue defect in the large intestine of non-infectious origin, but not included in inflammatory bowel diseases, including specific type of colitis, colitis due to medication including chemotherapy or radiation therapy side effects; or allergic or systemic disorders.

exclusions

• Inflammatory bowel diseases  (DD70-DD7Z)
• Gastroenteritis or colitis of infectious origin  (1A00-1A40.Z)

sections/codes in this section ()

• Primary ulcer of colon  (DB33.0)
• Microscopic colitis  (DB33.1)
• Allergic or dietetic colitis  (DB33.2)
• Diversion colitis  (DB33.3)
• Colitis or proctitis due to external causes  (DB33.4)
• Other specified noninfectious colitis or proctitis  (DB33.Y)
• Noninfectious colitis or proctitis, unspecified  (DB33.Z)

postcoordination

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